Cefazolin

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Pharmaceutical Reference Standards

Cefazolin

CAT. No.	CP-C149000
CAS. No.	25953-19-9
Mol. F.	C14H14N8O4S3
Mol. Wt.	454.50
Stock Status:	Custom Synthesis

Rel. Cas No: 27164-46-1 (Sodium salt)

Cefazolin EP Impurity A

CAT. No.	CP-C149001
CAS. No.	30246-33-4
Mol. F.	C11H12N4O3S3
Mol. Wt.	344.42
Stock Status:	Custom Synthesis

Rel. Cas No: 66659-21-0 (Na salt) ; 88739-52-0 (K salt) ; 98493-37-9 (HCl salt)

Cefazolin EP Impurity B

CAT. No.	CP-C149002
CAS. No.	2384108-14-7
Mol. F.	C16H20N4O4S3
Mol. Wt.	428.54
Stock Status:	Custom Synthesis

Cefazolin EP Impurity C

CAT. No.	CP-C149003
CAS. No.	56842-77-4
Mol. F.	C11H12N6O4S
Mol. Wt.	324.31
Stock Status:	Custom Synthesis

Rel. Cas No: 37051-04-0 (Na salt)

Cefazolin EP Impurity D

CAT. No.	CP-C149004
CAS. No.	32510-61-5
Mol. F.	C13H14N6O6S
Mol. Wt.	382.35
Stock Status:	Custom Synthesis

Rel. Cas No: 27164-45-0 (Na salt) ; 117030-04-3 (K salt)

Cefazolin EP Impurity E

CAT. No.	CP-C149005
CAS. No.	29490-19-5
Mol. F.	C3H4N2S2
Mol. Wt.	132.2
Stock Status:	Custom Synthesis

Rel. Cas No: 40045-85-0 (Na salt) ; 79929-61-6 (K salt)

Cefazolin EP Impurity G

CAT. No.	CP-C149007
CAS. No.	1172998-53-6
Mol. F.	C11H10N6O4S
Mol. Wt.	322.30
Stock Status:	Custom Synthesis

Tetrazolyl Acetamide Acetal

CAT. No.	CP-C149008
CAS. No.	1675245-47-2
Mol. F.	C5H9N5O3
Mol. Wt.	187.16
Stock Status:	Custom Synthesis

Cefazolin Diethylamide Δ2 Isomer

CAT. No.	CP-C149009
CAS. No.	NA
Mol. F.	C18H23N9O3S3
Mol. Wt.	509.62
Stock Status:	Custom Synthesis

Cefazolin Lactone Open Ring

CAT. No.	CP-C149010
CAS. No.	NA
Mol. F.	C11H12N6O5S
Mol. Wt.	340.31
Stock Status:	Custom Synthesis

Tetrazolyl Acetamide Diethyl Acetal

CAT. No.	CP-C149011
CAS. No.	2150044-08-7
Mol. F.	C9H17N5O3
Mol. Wt.	243.27
Stock Status:	Custom Synthesis

Cefazolin EP Impurity L

CAT. No.	CP-C149012
CAS. No.	NA
Mol. F.	C14H14N8O4S3
Mol. Wt.	454.50
Stock Status:	Custom Synthesis

Cefazolin Impurity 5

CAT. No.	CP-C149013
CAS. No.	1797135-60-4
Mol. F.	C5H7N5O2
Mol. Wt.	169.14
Stock Status:	Custom Synthesis

Tetrazolylacetic Acid

CAT. No.	CP-C149014
CAS. No.	21732-17-2
Mol. F.	C3H4N4O2
Mol. Wt.	128.09
Stock Status:	Custom Synthesis

Rel. Cas No: 51286-84-1 (Na salt) ; 51286-83-0 (K salt) ; 1222197-07-0 (HCl salt)

Cefazolin 3-Hydroxymethyl Impurity

CAT. No.	CP-C149015
CAS. No.	478494-71-2
Mol. F.	C11H12N6O5S
Mol. Wt.	340.31
Stock Status:	Custom Synthesis

Rel. Cas No: 50971-65-8 (Na salt)

Cefazolin EP Impurity I

CAT. No.	CP-C149016
CAS. No.	1675244-99-1
Mol. F.	C14H16N8O5S3
Mol. Wt.	472.51
Stock Status:	Custom Synthesis

Cefazolin EP Impurity J

CAT. No.	CP-C149017
CAS. No.	1675245-00-7
Mol. F.	C11H12N6O5S
Mol. Wt.	340.31
Stock Status:	Custom Synthesis

Cefazolin EP Impurity K

CAT. No.	CP-C149018
CAS. No.	2410652-70-7
Mol. F.	C14H15N9O3S3
Mol. Wt.	453.51
Stock Status:	Custom Synthesis

Cefazolin Impurity 1

CAT. No.	CP-C149019
CAS. No.	2416213-67-5
Mol. F.	C18H20N4O8S2
Mol. Wt.	484.50
Stock Status:	Custom Synthesis

Cefazolin Sodium

CAT. No.	CP-C149020
CAS. No.	27164-46-1
Mol. F.	C14H13N8NaO4S3
Mol. Wt.	476.48
Stock Status:	Custom Synthesis

Rel. Cas No: 25953-19-9 (free base)

Cefazolin Delta-2-Isomer

CAT. No.	CP-C149021
CAS. No.	55390-53-9
Mol. F.	C14H14N8O4S3
Mol. Wt.	454.50
Stock Status:	Custom Synthesis

Cefazolin EP Impurity H

CAT. No.	CP-C149022
CAS. No.	957-68-6
Mol. F.	C10H12N2O5S
Mol. Wt.	272.3
Stock Status:	Custom Synthesis

Rel. Cas No: 40994-22-7 (Na salt) ; 53064-81-6 (K salt) ; 57399-61-8 (HCl salt)

a b c d e f g h i j k l m n o p q r s t u v w x y z

Cefazolin

Pharmaceutical Reference Standards

Cefazolin

Cefazolin EP Impurity A

Cefazolin EP Impurity B

Cefazolin EP Impurity C

Cefazolin EP Impurity D

Cefazolin EP Impurity E

Cefazolin EP Impurity G

Tetrazolyl Acetamide Acetal

Cefazolin Diethylamide Δ2 Isomer

Cefazolin Lactone Open Ring

Tetrazolyl Acetamide Diethyl Acetal

Cefazolin EP Impurity L

Cefazolin Impurity 5

Tetrazolylacetic Acid

Cefazolin 3-Hydroxymethyl Impurity

Cefazolin EP Impurity I

Cefazolin EP Impurity J

Cefazolin EP Impurity K

Cefazolin Impurity 1

Cefazolin Sodium

Cefazolin Delta-2-Isomer

Cefazolin EP Impurity H

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